Security constraint
[计] 安全性约束
🧩 词语组成解析
🗣️ 情景例句
I never realized that.
我从来没有意识到这点。
What do you want to do after graduation?
你毕业后想干什么？
Thirteen is not as good as one, but it's better than nothing.
“13下是不如1下好，但总比1下也不敲强。